If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Can you replace the question mark with the correct number?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

How is a fly different from a mosquito?

Find the 8 in the below-given Image.

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?